New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Identification of Geometric Model Errors in Multiphase Flow Simulations › Reply To: Identification of Geometric Model Errors in Multiphase Flow Simulations February 19, 2025 at 10:15 pm #9894 mathiasKeymaster Did you check on the material numbers? Are they set correctly?